MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains embedded links that redirect to known malicious infrastructure, specifically a URL on 'dafemum.ru' which is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to be related to a search query, suggesting a phishing or scam lure. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://dafemum.ru/strik?utm_term=what+produces+the+growth+hormone In PDF document text
- https://static.s123-cdn-static.com/uploads/4450883/normal_5fe293337fe87.pdfIn PDF document text
- http://zogorezipakafit.iblogger.org/what_do_you_connect_the_red_wire_to_for_a_ceiling_fan.pdfIn PDF document text
- http://irisca.online/kizatefemodabinagodubutdnpa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450876/normal_603af2025cfd7.pdfIn PDF document text
- http://wonder-ita.fun/how_to_write_an_art_research_proposal10urz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447464/normal_603c48bc4583d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477623/normal_5fdd680f20fde.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469640/normal_5ff0c98ea677e.pdfIn PDF document text
- http://ninotekega.mygamesonline.org/nuzinexisoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/8f0c4ebf-de73-4c72-8f13-31f7b3feb861/sutuxep.pdfIn PDF document text
- https://a2876ee3-c470-454a-91e2-e108d831033a.filesusr.com/ugd/e8dba5_b70f789661794f33ae6ce0949fd1487d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/22177a91-c4c1-4ada-9dd6-b89de9539461/c_manual_reference_counting.pdfIn PDF document text
- http://bapexuzajo.epizy.com/abbyy_transformer_2._0_keygen.pdfIn PDF document text
- http://muluwokixo.onlinewebshop.net/95453462857.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3551cabb-24a4-464a-9cb8-2883f0c38557/black_and_decker_rice_cooker_instructions_brown_rice.pdfIn PDF document text
- http://madigekole.onlinewebshop.net/cours_de_conjugaison_anglais_gratuit.pdfIn PDF document text
- https://df256b98-640c-444d-885a-8195c7360722.filesusr.com/ugd/40b9e6_36dce6d7ec8d4dbd9cb01ce85706ddf7.pdf?index=trueIn PDF document text
- https://ca483b97-61ac-4196-bca0-6b249c18eca9.filesusr.com/ugd/b27199_e1f6911b6b064c009d137bfbc78627bd.pdf?index=trueIn PDF document text
- http://vumojixo.epizy.com/mogogeragalabidafopejesif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2db2aad7-6c11-49dc-8923-f802fdf5aa2c/how_to_call_a_lover_in_one_word.pdfIn PDF document text
- http://ridizovidibafi.rf.gd/tujebifuwojirejemat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55d5dd57-6b1f-415b-adbd-aea2f65fc1f2/what_is_the_book_land_of_stories_about.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF157 | 5560 bytes |
SHA-256: 609d7b252de070eaaaab46588a8cc1cd5908fd8139922dd6a0c90954dc09acfe |
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font_01_sfnt_off00010433.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10433 | 10552 bytes |
SHA-256: 26767d5eb6c4fc26803529e1ca92e901572c7b187e7088611984890c16762508 |
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